How many moles of hydrogen
are in 3.7 moles of C8H11 NO2?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?